V4L/DVB (13066): radio-mr800: remove device removed indicator

Remove device removed indicator

Signed-off-by: David Ellingsworth <david@identd.dyndns.org>
Acked-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 8 insertions, 12 deletions

diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c
index 0498c4c60d8c..c4f4cd8dbb6c 100644
--- a/drivers/media/radio/radio-mr800.c
+++ b/drivers/media/radio/radio-mr800.c
@@ -137,7 +137,6 @@ struct amradio_device {
         int curfreq;
         int stereo;
         int users;
-        int removed;
         int muted;
 };
 
@@ -270,7 +269,7 @@ static void usb_amradio_disconnect(struct usb_interface *intf)
         struct amradio_device *radio = usb_get_intfdata(intf);
 
         mutex_lock(&radio->lock);
-        radio->removed = 1;
+        radio->usbdev = NULL;
         mutex_unlock(&radio->lock);
 
         usb_set_intfdata(intf, NULL);
@@ -488,7 +487,7 @@ static int usb_amradio_open(struct file *file)
 
         mutex_lock(&radio->lock);
 
-        if (radio->removed) {
+        if (!radio->usbdev) {
                 retval = -EIO;
                 goto unlock;
         }
@@ -528,19 +527,17 @@ static int usb_amradio_close(struct file *file)
 
         mutex_lock(&radio->lock);
 
-        if (radio->removed) {
+        if (!radio->usbdev) {
                 retval = -EIO;
                 goto unlock;
         }
 
         radio->users = 0;
 
-        if (!radio->removed) {
-                retval = amradio_set_mute(radio, AMRADIO_STOP);
-                if (retval < 0)
-                        amradio_dev_warn(&radio->videodev.dev,
-                                "amradio_stop failed\n");
-        }
+        retval = amradio_set_mute(radio, AMRADIO_STOP);
+        if (retval < 0)
+                amradio_dev_warn(&radio->videodev.dev,
+                        "amradio_stop failed\n");
 
 unlock:
         mutex_unlock(&radio->lock);
@@ -555,7 +552,7 @@ static long usb_amradio_ioctl(struct file *file, unsigned int cmd,
 
         mutex_lock(&radio->lock);
 
-        if (radio->removed) {
+        if (!radio->usbdev) {
                 retval = -EIO;
                 goto unlock;
         }
@@ -673,7 +670,6 @@ static int usb_amradio_probe(struct usb_interface *intf,
         radio->videodev.ioctl_ops = &usb_amradio_ioctl_ops;
         radio->videodev.release = usb_amradio_video_device_release;
 
-        radio->removed = 0;
         radio->users = 0;
         radio->usbdev = interface_to_usbdev(intf);
         radio->curfreq = 95.16 * FREQ_MUL;